Fields & Applications

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Rheology is the science of material flow. It is also a science with a reputation for some fairly daunting mathematics. But look past these first principles and rheology has immediate relevance in formulation which is readily appreciated and easily exploited.

Many of the world’s leading experts came together for the 10th European Pesticide Residue Workshop (EPRW) in Dublin, Ireland, this summer for an international exchange of information and experience.

This application note describes a solid phase extraction (SPE) protocol for the extraction of a range of mycotoxins from dried chili (pimiento) using ISOLUTE® Myco with LC-MS/MS analysis.

Evaluation of strong and weak cation exchange columns and dependence of separation on mobile phase pH

A Study Following U.S. EPA Method 8081 Guidelines

Work performed in conjunction with the Institut Pasteur, Paris, France Cations are specifically recognized by numerous proteins. Despite their small size, their specific interactions with highly charged residues allow them to induce significant conformational changes on their binding proteins.

Whey is a by-product of the cheese-making process, and Whey Protein Isolate (WPI) is a dietary supplement and food ingredient created by separating components from milk. It contains a high percentage of pure protein and can be pure enough to be virtually lactose free, carbohydrate free, fat free, and cholesterol free. In this application note, a sample of WPI was characterized using the Viscotek TDAmax. The 4 main components in this mixture were separated and individually characterized.

This application note presents an example of how calorimetry aided the formulation development for ProX by providing insight into excipient-protein interactions. Polysorbate-80 and phenol are examined here as potential additives to the formulation buffer for ProX.

The study of exosomes and other cell-derived microvesicles is an area of rapidly rowing importance and the subject of intense interest and research. The previous lack of suitable methods for their detection, analysis, enumeration and phenotyping is proving to be a significant limitation in these studies. This document shows the degree to which the technique of Nanoparticle Tracking Analysis (NTA) is helping to address these problems.